From 3074e2607489d52d321a948bdaa2e6f8c728a201 Mon Sep 17 00:00:00 2001
From: David Li <li.davidm96@gmail.com>
Date: Wed, 27 Jan 2016 10:51:51 -0500
Subject: feat(wiki): implement Wikipedia lookup

---
 src/main.rs | 51 +++++++++++++++++++++++++++++++++++++++++++++++++--
 1 file changed, 49 insertions(+), 2 deletions(-)

(limited to 'src/main.rs')

diff --git a/src/main.rs b/src/main.rs
index 2ec24c0..22c5530 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -1,6 +1,11 @@
+#![feature(custom_derive,plugin)]
+#![plugin(serde_macros)]
 extern crate hyper;
 extern crate irc;
+extern crate serde;
+extern crate serde_json;
 
+use std::collections::HashMap;
 use std::io::Read;
 
 use hyper::Client;
@@ -8,7 +13,35 @@ use hyper::header::Connection;
 
 use irc::client::prelude::*;
 
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
+struct WikiPage {
+    ns: u32,
+    pageid: u32,
+    title: String,
+    extract: String,
+}
+
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
+struct WikiRedirect {
+    from: String,
+    to: String,
+}
+
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
+struct WikiQueryResponse {
+    batchcomplete: String,
+    query: WikiQuery,
+}
+
+#[derive(Debug, PartialEq, Serialize, Deserialize)]
+struct WikiQuery {
+    redirects: Option<Vec<WikiRedirect>>,
+    pages: HashMap<String, WikiPage>,
+}
+
 fn main() {
+    let q: WikiQueryResponse = serde_json::from_str("{\"batchcomplete\":\"\",\"query\":{\"pages\":{\"18123\":{\"pageid\":18123,\"ns\":0,\"title\":\"Lisp machine\",\"extract\":\"Lisp machines are general-purpose computers designed to efficiently run Lisp as their main software language, usually through hardware support. They are an example of a high-level language computer architecture, and in a sense, they were the first commercial single-user workstations. Despite being modest in number (perhaps 7,000 units total as of 1988), Lisp machines commercially pioneered many now-commonplace technologies \\u2013 including effective garbage collection, laser printing, windowing systems, computer mice, high-resolution bit-mapped graphics, computer graphic rendering, and networking innovations like Chaosnet. Several companies built and sold Lisp Machines in the 1980s: Symbolics (3600, 3640, XL1200, MacIvory, and other models), Lisp Machines Incorporated (LMI Lambda), Texas Instruments (Explorer and MicroExplorer), and Xerox (Interlisp-D workstations). The operating systems were written in Lisp Machine Lisp, InterLisp (Xerox), and later partly in Common Lisp.\"}}}}").unwrap();
+    println!("{:?}", q);
     let config = Config {
         nickname: Some(format!("lidavidm_prime")),
         server: Some(format!("irc.freenode.net")),
@@ -28,14 +61,28 @@ fn main() {
                     server.send_privmsg(&message.args[0], &response).unwrap();
 
                     let mut client = Client::new();
-                    let mut res = client.get("https://en.wikipedia.org/w/api.php?action=query&prop=extracts&format=json&exintro=&explaintext=&titles={}&redirects=")
+                    let mut res = client
+                        .get(&format!("https://en.wikipedia.org/w/api.php?action=query&prop=extracts&format=json&exintro=&explaintext=&titles={}&redirects=", article.replace(" ", "%20")))
+                        .header(hyper::header::UserAgent("lidavidm_irc_bot/0.1 (https://git.lidavidm.me; li.davidm96@gmail.com) hyper/0.7.2".to_owned()))
                         .header(Connection::close())
                         .send().unwrap();
 
                     let mut body = String::new();
                     res.read_to_string(&mut body).unwrap();
 
-                    println!("Response: {}", body);
+                    let response: serde_json::Result<WikiQueryResponse> = serde_json::from_str(&body);
+                    if let Ok(q) = response {
+                        for page in q.query.pages.values() {
+                            let url = format!("https://en.wikipedia.org/?curid={}", page.pageid);
+                            server.send_privmsg(&message.args[0], &format!("{}: {}", page.title, url)).unwrap();
+                            server.send_privmsg(&message.args[0], &page.extract).unwrap();
+                            break;
+                        }
+                    }
+                    else {
+                        server.send_privmsg(&message.args[0], "Sorry, I couldn't retrieve the wiki page.").unwrap();
+                        println!("{} {:?}", body, response);
+                    }
                 }
             }
         }
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